body {
    background: linear-gradient(135deg, #0f0c29 0%, #302b63 50%, #24243e 100%);
    min-height: 100vh;
    margin: 0;
    font-family: 'Orbitron', sans-serif;
    position: relative;
    overflow: hidden;
}

/* 添加科技感背景网格 */
body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
    background-size: 30px 30px;
    opacity: 0.3;
    z-index: 0;
}

/* 添加科技感光效 */
.tech-glow {
    position: absolute;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(0, 255, 255, 0.2) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 4s ease-in-out infinite;
}

.tech-glow-1 {
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.tech-glow-2 {
    top: 60%;
    right: 10%;
    animation-delay: 2s;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.2); opacity: 0.8; }
    100% { transform: scale(1); opacity: 0.5; }
}

/* 添加云朵动画 */
.cloud {
    position: absolute;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 50%;
    animation: float 20s linear infinite;
}

.cloud:before,
.cloud:after {
    content: '';
    position: absolute;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 50%;
}

.cloud1 {
    width: 100px;
    height: 40px;
    top: 20%;
    left: -100px;
    animation-delay: 0s;
}

.cloud1:before {
    width: 50px;
    height: 50px;
    top: -20px;
    left: 10px;
}

.cloud1:after {
    width: 30px;
    height: 30px;
    top: -10px;
    right: 10px;
}

.cloud2 {
    width: 150px;
    height: 60px;
    top: 40%;
    right: -150px;
    animation-delay: 5s;
}

.cloud2:before {
    width: 70px;
    height: 70px;
    top: -30px;
    left: 15px;
}

.cloud2:after {
    width: 40px;
    height: 40px;
    top: -15px;
    right: 15px;
}

.cloud3 {
    width: 80px;
    height: 30px;
    top: 60%;
    left: -80px;
    animation-delay: 10s;
}

.cloud3:before {
    width: 40px;
    height: 40px;
    top: -15px;
    left: 8px;
}

.cloud3:after {
    width: 25px;
    height: 25px;
    top: -8px;
    right: 8px;
}

@keyframes float {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100vw);
    }
}

/* 添加数据流动画 */
.data-flow {
    position: absolute;
    width: 2px;
    height: 100px;
    background: linear-gradient(to bottom, transparent, rgba(255, 255, 255, 0.8), transparent);
    animation: flow 3s linear infinite;
}

@keyframes flow {
    0% {
        transform: translateY(-100%);
    }
    100% {
        transform: translateY(100vh);
    }
}

/* 更新卡片样式 */
.card {
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, #00ffff, transparent);
    animation: borderGlow 2s linear infinite;
}

@keyframes borderGlow {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.card-body {
    padding: 2rem;
    position: relative;
    z-index: 1;
}

/* 更新标题样式 */
h2 {
    font-size: 1.5rem;
    white-space: nowrap;
    margin: 0;
    padding: 0.5rem 0;
}

.platform-title {
    background: linear-gradient(45deg, #00ffff, #00ff00);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: bold;
    text-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
    letter-spacing: 1px;
}

h2 i {
    font-size: 1.2rem;
    color: #00ffff;
    text-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
}

.nav-tabs {
    border-bottom: 2px solid rgba(255, 255, 255, 0.1);
}

.nav-tabs .nav-link {
    border: none;
    color: #fff;
    font-weight: 500;
    padding: 0.5rem 1rem;
    margin-right: 1rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.nav-tabs .nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, #00ffff, transparent);
    transform: translateX(-100%);
    transition: transform 0.3s ease;
}

.nav-tabs .nav-link:hover::before {
    transform: translateX(100%);
}

.nav-tabs .nav-link.active {
    color: #00ffff;
    background: none;
}

.nav-tabs .nav-link.active::before {
    transform: translateX(0);
}

.input-group-text {
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #00ffff;
}

.form-control {
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
    border-left: none;
}

.form-control:focus {
    background-color: rgba(255, 255, 255, 0.15);
    border-color: #00ffff;
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.3);
    color: #fff;
}

.form-control::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.btn-primary {
    background: linear-gradient(45deg, #00ffff, #00ff00);
    border: none;
    padding: 0.5rem 1rem;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: 0.5s;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.5);
}

.form-check-input {
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.form-check-input:checked {
    background-color: #00ffff;
    border-color: #00ffff;
}

/* 响应式调整 */
@media (max-width: 576px) {
    .card-body {
        padding: 1.5rem;
    }
    
    h2 {
        font-size: 1.2rem;
    }

    h2 i {
        font-size: 1rem;
    }
} 